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Question
Draw an L.S. of pistil showing pollen tube entering into the embryo sac. Label the following:
- Nucellus
- Antipodals
- Synergids
- Micropyle
Diagram
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Solution
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Very short answer type question:
What is hydrophily?
Give an account of any two biotic agents for pollination along with their adaptations.
Which of the following plant contain unisexual flower?
In the dioecious aquatic plant shown, identify the characteristics of the male flowers that reach the female flowers for pollination:
| Size of the flower | Colour of flower | The characteristic feature of pollen grain | |
| A | small | brightly coloured | Lightweight and non-sticky |
| B | large | colourless | large and sticky |
| C | small | white | small, covered with mucilage |
| D | large | colourless | non-sticky |
Match the Column I with Column II.
| Column I | Column II |
| A. Pea | (i) Xenogamy |
| B. Jawar | (ii) Epihydrophily |
| C. Maize | (iii) Anemophily |
| D. Vallis | (iv) Bisexual |
| E. Cannabis | (v) Geitonogamy |
What is epihydrophily?
Name the following:
One plant each of Hypohydrophily and epihydrophily.
